SKIN TYPE: All skin types / New Longevity formula for younger skin for longer. Boosted by our longevity patent and a natural plumping filler, Le Sérum Premier Cru reactivates the skin's youth mechanisms and increases cellular performance. Its high concentration of hyaluronic acids provides immediate and intense hydration to the skin. Enriched with tensing sugars with a visible effect from 3 minutes and up to 6 hours, it also contains niacinamide to improve skin texture. Recyclable glass bottle* *Excluding multi-material pumps and caps, recyclable only in Caudalie SPA Boutiques thanks to the Terracycle partnership. Key Ingredients : Niacinamide, Longevity Patent (Caudalie x Harvard Medical School)* Formula: 98% ingredients of natural origin Non-comedogenic Tested under dermatological control Vegan 100% natural origin perfume Visible results +324% instant hydration* 84% saw an improvement in skin quality and firmness** *Clinical study, instrumental test, 10 volunteers. **Clinical study, % satisfaction, 44 volunteers, 56 days. Did you know? The Serum is 3.5 times more concentrated in hyaluronic acid than The Cream for intense hydration. Niacinamide : Better known as Vitamin B3, it reduces enlarged pores and soothes the skin. Longevity Patent (Caudalie x Harvard Medical School)* : Activated by resveratrol. The patent stimulates the longevity proteins Sirtuins x128** to increase the skin's performance and its production of collagen, hyaluronic acid, elastin. *Co-filed patent with Harvard University, No. FR21/04931. **In vitro test on ingredients. Apply Le Sérum Premier Cru morning and evening to the face, neck and décolleté, before your cream. Advice from the wine therapist: Maximize the anti-aging effectiveness of the Serum by then applying The Cream or the Premier Cru Rich Cream.